const pi =  Math.PI;

class Circle{
  constructor(radius){
    this.#r = radius;
  }
  get diameter(){
    return 2* this.#r;
  }
  get circumference(){
    return pi * 2 * this.#r;
  }
  get area(){
    return pi * this.#r *this.#r;
  }
#r =0;
}

export default Circle;

